v2.0.0 - Dynamic Json

[New feature] InjectionConverter - injects data from cache straight into the instance on deserialisation.

[Improvement] PolymorphicConverter moved from runtime reflection to file cache on pre-build.
[Improvement] PolymorphicConverter is thread-safe now.
[Improvement] SafeStringEnumConverter now has inner runtime cache of default Enum values which were resolved previously.

[Change] Package name / Repository name.
[Change] Namespaces paths
[Change] NullValueHandling moved from TypifyingProperty constructor to PolymorphicConverter constructor.

[Bug fix] TypifiedProperty can be used on data class without inheritors.
[Bug fix] TypifiedProperty is more stable with multiple TypifiedProperties in one class.